{"id":"https://openalex.org/W4405056252","doi":"https://doi.org/10.1109/tcomm.2024.3511958","title":"Energy-Efficient Caching and User Selection for Resource-Limited SAGINs in Emergency Communications","display_name":"Energy-Efficient Caching and User Selection for Resource-Limited SAGINs in Emergency Communications","publication_year":2024,"publication_date":"2024-12-05","ids":{"openalex":"https://openalex.org/W4405056252","doi":"https://doi.org/10.1109/tcomm.2024.3511958"},"language":"en","primary_location":{"id":"doi:10.1109/tcomm.2024.3511958","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2024.3511958","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Communications","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5101644950","display_name":"Qing Wei","orcid":"https://orcid.org/0000-0001-8168-4632"},"institutions":[{"id":"https://openalex.org/I1456306","display_name":"North China University of Technology","ror":"https://ror.org/01nky7652","country_code":"CN","type":"education","lineage":["https://openalex.org/I1456306"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Qing Wei","raw_affiliation_strings":["School of Information, North China University of Technology, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Information, North China University of Technology, Beijing, China","institution_ids":["https://openalex.org/I1456306"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062020254","display_name":"Yingyang Chen","orcid":"https://orcid.org/0000-0002-1343-9202"},"institutions":[{"id":"https://openalex.org/I159948400","display_name":"Jinan University","ror":"https://ror.org/02xe5ns62","country_code":"CN","type":"education","lineage":["https://openalex.org/I159948400"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yingyang Chen","raw_affiliation_strings":["College of Information Science and Technology, Jinan University, Guangzhou, China"],"affiliations":[{"raw_affiliation_string":"College of Information Science and Technology, Jinan University, Guangzhou, China","institution_ids":["https://openalex.org/I159948400"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102750610","display_name":"Ziye Jia","orcid":"https://orcid.org/0000-0001-9281-4826"},"institutions":[{"id":"https://openalex.org/I890469752","display_name":"Ministry of Industry and Information Technology","ror":"https://ror.org/0385nmy68","country_code":"CN","type":"government","lineage":["https://openalex.org/I890469752"]},{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ziye Jia","raw_affiliation_strings":["Key Laboratory of Dynamic Cognitive System of Electromagnetic Spectrum Space, Ministry of Industry and Information Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, China","Ministry of Industry and Information Technology, Key Laboratory of Dynamic Cognitive System of Electromagnetic Spectrum Space, Nanjing University of Aeronautics and Astronautics, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Dynamic Cognitive System of Electromagnetic Spectrum Space, Ministry of Industry and Information Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412","https://openalex.org/I890469752"]},{"raw_affiliation_string":"Ministry of Industry and Information Technology, Key Laboratory of Dynamic Cognitive System of Electromagnetic Spectrum Space, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412","https://openalex.org/I890469752"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029641210","display_name":"Wenle Bai","orcid":"https://orcid.org/0000-0001-8889-2530"},"institutions":[{"id":"https://openalex.org/I1456306","display_name":"North China University of Technology","ror":"https://ror.org/01nky7652","country_code":"CN","type":"education","lineage":["https://openalex.org/I1456306"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wenle Bai","raw_affiliation_strings":["School of Information, North China University of Technology, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Information, North China University of Technology, Beijing, China","institution_ids":["https://openalex.org/I1456306"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000687523","display_name":"Tingrui Pei","orcid":"https://orcid.org/0000-0002-1205-5899"},"institutions":[{"id":"https://openalex.org/I159948400","display_name":"Jinan University","ror":"https://ror.org/02xe5ns62","country_code":"CN","type":"education","lineage":["https://openalex.org/I159948400"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tingrui Pei","raw_affiliation_strings":["College of Information Science and Technology, Jinan University, Guangzhou, China"],"affiliations":[{"raw_affiliation_string":"College of Information Science and Technology, Jinan University, Guangzhou, China","institution_ids":["https://openalex.org/I159948400"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100785103","display_name":"Qihui Wu","orcid":"https://orcid.org/0000-0002-9521-5084"},"institutions":[{"id":"https://openalex.org/I890469752","display_name":"Ministry of Industry and Information Technology","ror":"https://ror.org/0385nmy68","country_code":"CN","type":"government","lineage":["https://openalex.org/I890469752"]},{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qihui Wu","raw_affiliation_strings":["Key Laboratory of Dynamic Cognitive System of Electromagnetic Spectrum Space, Ministry of Industry and Information Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, China","Ministry of Industry and Information Technology, Key Laboratory of Dynamic Cognitive System of Electromagnetic Spectrum Space, Nanjing University of Aeronautics and Astronautics, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Dynamic Cognitive System of Electromagnetic Spectrum Space, Ministry of Industry and Information Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412","https://openalex.org/I890469752"]},{"raw_affiliation_string":"Ministry of Industry and Information Technology, Key Laboratory of Dynamic Cognitive System of Electromagnetic Spectrum Space, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412","https://openalex.org/I890469752"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5101644950"],"corresponding_institution_ids":["https://openalex.org/I1456306"],"apc_list":null,"apc_paid":null,"fwci":8.2412,"has_fulltext":false,"cited_by_count":24,"citation_normalized_percentile":{"value":0.98017089,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":98,"max":100},"biblio":{"volume":"73","issue":"6","first_page":"4121","last_page":"4136"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11478","display_name":"Caching and Content Delivery","score":0.9980000257492065,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11478","display_name":"Caching and Content Delivery","score":0.9980000257492065,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10273","display_name":"IoT and Edge/Fog Computing","score":0.9789999723434448,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11896","display_name":"Opportunistic and Delay-Tolerant Networks","score":0.9782999753952026,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6542441248893738},{"id":"https://openalex.org/keywords/selection","display_name":"Selection (genetic algorithm)","score":0.6237133145332336},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.5348208546638489},{"id":"https://openalex.org/keywords/resource","display_name":"Resource (disambiguation)","score":0.4540588855743408},{"id":"https://openalex.org/keywords/energy","display_name":"Energy (signal processing)","score":0.44401827454566956},{"id":"https://openalex.org/keywords/efficient-energy-use","display_name":"Efficient energy use","score":0.4290426969528198},{"id":"https://openalex.org/keywords/resource-management","display_name":"Resource management (computing)","score":0.4251525402069092},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3276973366737366},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.25628721714019775},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.13299259543418884}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6542441248893738},{"id":"https://openalex.org/C81917197","wikidata":"https://www.wikidata.org/wiki/Q628760","display_name":"Selection (genetic algorithm)","level":2,"score":0.6237133145332336},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.5348208546638489},{"id":"https://openalex.org/C206345919","wikidata":"https://www.wikidata.org/wiki/Q20380951","display_name":"Resource (disambiguation)","level":2,"score":0.4540588855743408},{"id":"https://openalex.org/C186370098","wikidata":"https://www.wikidata.org/wiki/Q442787","display_name":"Energy (signal processing)","level":2,"score":0.44401827454566956},{"id":"https://openalex.org/C2742236","wikidata":"https://www.wikidata.org/wiki/Q924713","display_name":"Efficient energy use","level":2,"score":0.4290426969528198},{"id":"https://openalex.org/C2780609101","wikidata":"https://www.wikidata.org/wiki/Q17156588","display_name":"Resource management (computing)","level":2,"score":0.4251525402069092},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3276973366737366},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.25628721714019775},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.13299259543418884},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcomm.2024.3511958","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2024.3511958","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1497037864","display_name":null,"funder_award_id":"2023A1515012892","funder_id":"https://openalex.org/F4320337111","funder_display_name":"Basic and Applied Basic Research Foundation of Guangdong Province"},{"id":"https://openalex.org/G3086784766","display_name":null,"funder_award_id":"2024D04","funder_id":"https://openalex.org/F4320336270","funder_display_name":"National Mobile Communications Research Laboratory, Southeast University"},{"id":"https://openalex.org/G3089561442","display_name":null,"funder_award_id":"2024B1515020002, 2023A1515012892","funder_id":"https://openalex.org/F4320337111","funder_display_name":"Basic and Applied Basic Research Foundation of Guangdong Province"},{"id":"https://openalex.org/G6472395228","display_name":null,"funder_award_id":"2024B1515020002","funder_id":"https://openalex.org/F4320337111","funder_display_name":"Basic and Applied Basic Research Foundation of Guangdong Province"},{"id":"https://openalex.org/G8520224161","display_name":null,"funder_award_id":"62301251","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320325862","display_name":"North China University of Technology","ror":"https://ror.org/01nky7652"},{"id":"https://openalex.org/F4320336270","display_name":"National Mobile Communications Research Laboratory, Southeast University","ror":null},{"id":"https://openalex.org/F4320337111","display_name":"Basic and Applied Basic Research Foundation of Guangdong Province","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":33,"referenced_works":["https://openalex.org/W2031834036","https://openalex.org/W2072803231","https://openalex.org/W2077296087","https://openalex.org/W2093137944","https://openalex.org/W2131931236","https://openalex.org/W2517241959","https://openalex.org/W2602320878","https://openalex.org/W2800433823","https://openalex.org/W2802984054","https://openalex.org/W2963155944","https://openalex.org/W2964023906","https://openalex.org/W3040349264","https://openalex.org/W3081933036","https://openalex.org/W3082845184","https://openalex.org/W3106752948","https://openalex.org/W3121477569","https://openalex.org/W3128146732","https://openalex.org/W3132229487","https://openalex.org/W3139062370","https://openalex.org/W3158471133","https://openalex.org/W3217518275","https://openalex.org/W4212797575","https://openalex.org/W4212955760","https://openalex.org/W4226133071","https://openalex.org/W4230959423","https://openalex.org/W4319068640","https://openalex.org/W4320015905","https://openalex.org/W4321020922","https://openalex.org/W4378697077","https://openalex.org/W4386450197","https://openalex.org/W4387042413","https://openalex.org/W4389332149","https://openalex.org/W4391807496"],"related_works":["https://openalex.org/W4205762803","https://openalex.org/W2535856026","https://openalex.org/W2265065644","https://openalex.org/W2134699697","https://openalex.org/W3017188156","https://openalex.org/W2322875716","https://openalex.org/W4249307902","https://openalex.org/W2383516975","https://openalex.org/W2374878784","https://openalex.org/W2147679489"],"abstract_inverted_index":{"The":[0],"ever-increasing":[1],"requests":[2],"of":[3,53,60],"users":[4],"in":[5,110,139],"emergency":[6],"communication":[7],"scenarios":[8],"lead":[9],"to":[10,48,78,93],"high":[11],"data":[12],"traffic":[13],"and":[14,36,82,97,104,127,134],"transmission":[15],"delay,":[16],"posing":[17],"challenges":[18],"for":[19],"resource-limited":[20],"space-air-ground":[21],"integrated":[22],"networks":[23],"(SAGINs).":[24],"To":[25,62],"address":[26,63],"this":[27,29],"issue,":[28],"paper":[30],"proposes":[31],"a":[32,74,101,123],"joint":[33],"caching":[34,47],"optimization":[35,67],"user":[37,86],"selection":[38,87],"(JCOUS)":[39],"problem":[40,68],"that":[41,117],"leverages":[42],"unmanned":[43],"aerial":[44],"vehicle":[45],"(UAV)":[46],"maximize":[49,105],"the":[50,54,57,64,80,106,111,118],"residual":[51,108,125],"energy":[52,109,126,132],"satellite,":[55],"considering":[56],"limited":[58],"resources":[59],"UAVs.":[61],"complex":[65],"time-coupling":[66],"with":[69,89],"discrete":[70],"variables,":[71],"we":[72,99],"propose":[73],"primal":[75],"decomposition":[76],"method":[77],"decouple":[79],"problem,":[81],"design":[83],"an":[84],"energy-efficient":[85],"algorithm":[88],"dynamic":[90],"caching.":[91],"Furthermore,":[92],"reduce":[94],"computational":[95],"complexity":[96],"cost,":[98],"consider":[100],"statistical":[102,107],"scenario":[103],"JCOUS":[112],"problem.":[113],"Simulation":[114],"results":[115],"verify":[116],"proposed":[119],"scheme":[120],"can":[121],"achieve":[122],"higher":[124],"fast":[128],"optimization,":[129],"thus":[130],"realizing":[131],"saving":[133],"quick":[135],"decision":[136],"making":[137],"especially":[138],"large-scale":[140],"computation-intensive":[141],"SAGINs.":[142]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":22}],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2025-10-10T00:00:00"}